<table align="center" width="70%" border="1">

  <thead>
    <tr>
      <th colspan="2">Table Heading</th>
    </tr>
  </thead>

  <tbody>

    <tr>
      <td>Table Data 1</td>
      <td>Table Data 2</td>
    </tr>

    <tr>
      <td>Table Data 3</td>
      <td>Table Data 4</td>
    </tr>

  </tbody>

</table>
